Ascomyceten #1949
Rehm, Ascomyc.
H. Rehm [1-2175, plus extras]

Cornell University, Plant Pathology Herbarium
Catalog #: CUP-F-2279
John Dearness #3176 00 October 1910
Uncinula circinata Cooke & Peck
Canada, Ontario, Middlesex, London;